Ian McEwan writes,
An alien landing on our planet and noticing how it was bathed in light would be amazed to learn that we believe ourselves to have an energy problem, that we ever should have thought of overheating or poisoning ourselves by burning fossil fuels or generating plutonium. Sunlight falls on us in a constant stream, a sweet rain of photons beyond counting.
Blood vessel organoids quickly minimise damage to injured tissue
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Blood vessels grown in the lab in just five days could quickly prevent the
tissue damage that can occur after an accident
3 hours ago
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